JPH08329818A - Terminal device for interior attachment for circuit breaker - Google Patents
Terminal device for interior attachment for circuit breakerInfo
- Publication number
- JPH08329818A JPH08329818A JP15510695A JP15510695A JPH08329818A JP H08329818 A JPH08329818 A JP H08329818A JP 15510695 A JP15510695 A JP 15510695A JP 15510695 A JP15510695 A JP 15510695A JP H08329818 A JPH08329818 A JP H08329818A
- Authority
- JP
- Japan
- Prior art keywords
- circuit breaker
- accessory
- cover
- terminal block
- lead wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/08—Terminals; Connections
- H01H2071/086—Low power connections for auxiliary switches, e.g. shunt trip
Landscapes
- Breakers (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、配線用遮断器や漏電
遮断器などの回路遮断器に関し、特にその外箱に内装さ
れる各種の付属品のリード線を接続するための内装付属
品用端子装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a circuit breaker such as a circuit breaker for wiring or an earth leakage breaker, and particularly for an internal accessory for connecting lead wires of various accessories that are internally mounted in an outer box thereof. Regarding terminal device.
【０００２】[0002]
【従来の技術】上記回路遮断器においては、補助スイッ
チ、警報スイッチ、電圧引外し装置、不足電圧引外し装
置などの付属品が必要に応じて内装される。ここで、補
助スイッチは回路遮断器のオン・オフ状態を電気的に表
示するスイッチ、警報スイッチは同じくトリップ状態を
表示すスイッチ、電圧引外し装置は回路遮断器を遠方か
ら電気的に引き外す装置、不足電圧引外し装置は回路電
圧が規定の値以下に低下したときに回路遮断器を自動的
に引き外す装置である。2. Description of the Related Art In the above circuit breaker, accessories such as an auxiliary switch, an alarm switch, a voltage trip device, an undervoltage trip device, etc. are incorporated as required. Here, the auxiliary switch is a switch that electrically indicates the on / off state of the circuit breaker, the alarm switch is a switch that also indicates the trip state, and the voltage trip device is a device that electrically trips the circuit breaker from a distance. The undervoltage trip device is a device that automatically trips the circuit breaker when the circuit voltage drops below a specified value.
【０００３】配線用遮断器などの回路遮断器は一般に、
前面が開放したケースと、その開放面を覆うカバーとか
らなる絶縁物の外箱内に開閉機構が収容され、かつ前記
外箱の上下端部に分かれて電源側及び負荷側の端子がそ
れぞれ配設されているが、上記付属品は開閉機構に隣接
して外箱内に設置されて開閉機構に連動し、あるいは開
閉機構に作用するようになっている。その場合、付属品
のリード線は、この付属品の端子にはんだ付けなどによ
り接続されて、ケース側面の穴から引き出される場合
（例えば、実願昭６３−１１８２１９号のマイクロフィ
ルム参照）と、ケース側面に装着された端子台を用いて
接続される場合とがあり、盤配線のレイアウトによって
適宜に使い分けられている。Circuit breakers, such as breakers for wiring, are generally
An opening / closing mechanism is housed in an outer case made of an insulating material, which is composed of a case whose front surface is open and a cover which covers the open surface. Although provided, the accessory is installed in the outer box adjacent to the opening / closing mechanism to interlock with or act on the opening / closing mechanism. In that case, the lead wire of the accessory may be connected to the terminal of the accessory by soldering or the like and pulled out from the hole on the side surface of the case (for example, refer to the microfilm of Japanese Utility Model Application No. 63-118219) and the case. There are cases where the terminals are connected using a terminal block mounted on the side surface, and they are appropriately used depending on the layout of the board wiring.
【０００４】上記リード線の接続に関し、回路遮断器の
ケース側壁には通常、方形の開口がカバーとの合わせ面
から切り欠き形成され、付属品が内装されないときには
この開口は塞ぎ板の装着により閉塞されるが、リード線
が接続された付属品が内装されるときにはこの開口にリ
ード線に見合う穴を有する駒が装着され、リード線はこ
の穴を通してケース外に引き出される。また、付属品の
リード線が端子台を用いて接続されるときには、上記開
口に端子台がその取付ベースを介して装着される。Regarding the connection of the lead wires, a rectangular opening is usually formed in the side wall of the case of the circuit breaker by cutting out from the mating surface with the cover, and when the accessory is not installed, this opening is closed by mounting a closing plate. However, when the accessory to which the lead wire is connected is installed, a piece having a hole matching the lead wire is mounted in this opening, and the lead wire is pulled out of the case through this hole. Further, when the lead wire of the accessory is connected using the terminal block, the terminal block is attached to the opening through the mounting base.
【０００５】[0005]
【発明が解決しようとする課題】従来の回路遮断器にお
いては、付属品の配線に使用される端子台は上述したよ
うにケース側面に装着され、回路遮断器の側方に突出す
る。そのため、付属品の配線に端子台を用いる場合に
は、複数台の回路遮断器の側面同士を互いに密着させて
盤の取付板に取り付けること（以下、密着取付という）
ができず、スペース効率が悪かった。また、逆にすでに
密着取付をした回路遮断器には、そのままの状態で端子
台を用いた付属品を後付けすることができず、回路遮断
器の取付位置をずらす必要があった。そこで、この発明
は、付属品の端子台を装着しても回路遮断器の密着取付
が可能な回路遮断器の内装付属品用端子装置を提供する
ことを目的とするものである。In the conventional circuit breaker, the terminal block used for the wiring of the accessory is mounted on the side surface of the case as described above and protrudes to the side of the circuit breaker. Therefore, when using a terminal block for wiring accessories, attach the side surfaces of multiple circuit breakers to the mounting plate of the panel so that they are in close contact with each other.
Was not possible and space efficiency was poor. On the contrary, the circuit breaker already mounted in close contact cannot be retrofitted with the accessory using the terminal block as it is, and it is necessary to shift the mounting position of the circuit breaker. Therefore, it is an object of the present invention to provide a terminal device for an internal accessory of a circuit breaker, which enables the circuit breaker to be closely attached even if the accessory terminal block is mounted.
【０００６】[0006]
【課題を解決するための手段】上記目的を達成するため
に、この発明は、前面が開放したケースと、その開放面
を覆うカバーとからなる絶縁物の外箱内に開閉機構が収
容され、かつ前記外箱の上下端部に分かれて電源側及び
負荷側の端子がそれぞれ配設されるとともに、前記開閉
機構に隣接して補助スイッチなどの付属品が内装される
回路遮断器において、カバーの前面壁に付属品と対向す
る窓穴を形成し、この窓穴に前記付属品のリード線を接
続する端子台を着脱自在に装着するようにするものとす
る。To achieve the above object, according to the present invention, an opening / closing mechanism is housed in an outer casing made of an insulating material, which comprises a case whose front surface is open and a cover which covers the open surface. In addition, in the circuit breaker in which the power supply side and load side terminals are respectively provided separately at the upper and lower ends of the outer box, and accessories such as auxiliary switches are installed adjacent to the opening / closing mechanism, A window hole facing the accessory is formed in the front wall, and a terminal block for connecting the lead wire of the accessory is detachably attached to the window hole.
【０００７】上記装置において、カバー及びケースの側
面に、端子台に接続された付属品のリード線を通す溝を
前記カバーの窓穴から前記ケースの負荷側端部に向けて
形成し、またカバーの前面と側面とが交わる角部に、端
子台に接続された付属品のリード線を通す溝を前記カバ
ーの窓穴から負荷側端部に向けて形成するのがよい。In the above apparatus, a groove is formed on a side surface of the cover and the case, through which a lead wire of an accessory connected to the terminal block is inserted, from the window hole of the cover toward the load side end of the case, and A groove for passing a lead wire of an accessory connected to the terminal block may be formed at a corner where the front surface and the side surface intersect with each other from the window hole of the cover toward the load side end.
【０００８】[0008]
【作用】カバーの前面壁の窓穴に付属品のリード線を接
続する端子台を着脱自在に装着するようにすることによ
り、端子台が回路遮断器の側方に突出せず、密着取付が
可能となる。なお、付属品を内装しないときはカバー前
面壁の窓穴は塞ぎ板を装着して閉塞し、また付属品から
リード線を引き出すときには、リード線引き出し用の穴
を有する駒を窓穴に装着すればよい。一方、カバー及び
ケースの側面に、あるいはカバーの前面と側面とが交わ
る角部にリード線を通す溝を形成すれば、回路遮断器周
りのリード線は全て溝に収容され、配線スペースが節約
されるとともに配線が整然とする。[Function] By attaching the terminal block for connecting the lead wire of the accessory to the window hole of the front wall of the cover in a detachable manner, the terminal block does not project to the side of the circuit breaker, and the close mounting is possible. It will be possible. When the accessory is not installed inside, the window hole on the front wall of the cover is closed by mounting a cover plate.When pulling out the lead wire from the accessory, install a piece with a lead wire pullout hole into the window hole. Good. On the other hand, if a groove for passing the lead wire is formed on the side surface of the cover and the case, or at the corner where the front surface and the side surface of the cover intersect, all the lead wires around the circuit breaker are accommodated in the groove, and the wiring space is saved. And the wiring is neat.
【０００９】[0009]
【実施例】図１及び図２はこの発明の実施例を示すもの
で、図１は３極回路遮断器の取付状態の前面図、図２は
その側面図である。図において、回路遮断器はモールド
樹脂からなるケース１と、その前面の開放面を覆うカバ
ー２とからなる絶縁物の外箱内に図示しない開閉機構が
収容され、この開閉機構はカバー２から突き出た操作レ
バー３により開閉操作される。また、外箱の上下端部に
分かれて、電源側及び負荷側の各３相の端子４及び５が
それぞれ配設されている。この回路遮断器は分電盤など
の取付板６の垂直面に通常は電源側が上側になるように
して、取付ねじにより図示の通り締め付けられる。カバ
ー２の前面壁には、操作レバー３の左右に方形の窓穴７
（図１の回路遮断器の左極側参照）が形成され、この窓
穴７は開閉機構に隣接してケース１に内装される図示し
ない各種の付属品と対向するようになっている。そし
て、窓穴７には図１の回路遮断器の右極側に示すように
端子台８が装着され、この端子台８には付属品のリード
線９が接続されている。1 and 2 show an embodiment of the present invention. FIG. 1 is a front view of a mounted state of a three-pole circuit breaker, and FIG. 2 is a side view thereof. In the figure, the circuit breaker has an opening / closing mechanism (not shown) housed in an outer casing of an insulator made up of a case 1 made of molded resin and a cover 2 covering the open surface of the front surface of the circuit breaker. It is opened and closed by the operating lever 3. Further, three-phase terminals 4 and 5 on the power supply side and the load side are provided separately at the upper and lower ends of the outer box. This circuit breaker is normally fastened to the vertical surface of a mounting plate 6 such as a distribution board so that the power supply side is on the upper side by a mounting screw as shown in the drawing. The front wall of the cover 2 has square window holes 7 on the left and right of the operating lever 3.
(Refer to the left pole side of the circuit breaker in FIG. 1) is formed, and the window hole 7 is arranged adjacent to the opening / closing mechanism and faces various accessories (not shown) mounted in the case 1. A terminal block 8 is attached to the window hole 7 as shown on the right side of the circuit breaker in FIG. 1, and an accessory lead wire 9 is connected to the terminal block 8.
【００１０】端子台８は絶縁ベース１０にバリア１０ａ
を挟んで一対の端子板１１が取り付けられて構成され、
両端の弾性突起１０ｂとカバー２の凹部２ａとの嵌合に
より、カバー２の前方から自在に着脱される。端子板１
１は詳細な図示は省略するが絶縁ベース１０を表裏から
挟むＵ字状に形成され、その一端は絶縁ベース１０の前
面側に位置してリード線接続端とされ、また他端は絶縁
ベース１０の背面側に位置して付属品接続端とされてい
る。一方、図示しない付属品には端子板１１の付属品接
続端に対向して一対の端子金具が立ち上げ形成されてお
り、窓穴７に端子台８が装着されると、その付属品接続
端は付属品の上記端子金具に弾性的に圧接して電気的に
接続される。また、端子板１１のリード線接続端には端
子ねじ１２が設けられており、リード線９は圧着端子を
介して端子ねじ１２によりリード線接続端に締め付けら
れている。The terminal block 8 includes an insulating base 10 and a barrier 10a.
A pair of terminal plates 11 are attached to sandwich the
By fitting the elastic protrusions 10b at both ends and the recesses 2a of the cover 2, the cover 2 can be freely attached and detached from the front. Terminal board 1
Although not shown in detail, reference numeral 1 is formed in a U-shape that sandwiches the insulating base 10 from the front and back sides, one end of which is located on the front surface side of the insulating base 10 to serve as a lead wire connecting end, and the other end of which is the insulating base 10. It is located on the back side of and is used as an accessory connection end. On the other hand, an accessory not shown has a pair of terminal metal fittings formed so as to face the accessory connection end of the terminal board 11, and when the terminal block 8 is attached to the window hole 7, the accessory connection end is formed. Is elastically pressure-contacted with the above-mentioned terminal fitting of the accessory to be electrically connected. A terminal screw 12 is provided at the lead wire connecting end of the terminal plate 11, and the lead wire 9 is fastened to the lead wire connecting end by the terminal screw 12 via a crimp terminal.
【００１１】カバー２及びケース１の側面には、窓穴７
からまず取付板６に向かい、次いで取付板６に沿ってケ
ース１の負荷側端部に向かう溝１３が形成されている。
そこで、端子台８に接続されたリード線９は、溝１３を
通して下方（負荷側）に引き出されている。いまの場
合、図１の回路遮断器の左極側には付属品は内装されな
いものとして、窓穴７は閉塞板１４で閉塞される。閉塞
板１４は両端の弾性突起１４ａとカバー２の凹部２ａと
の嵌合により、カバー２の前面から着脱自在に窓穴７に
装着される。なお、リード線が接続された付属品が内装
される場合には、リード線を通す穴を有する閉塞板１４
に類似の駒が窓穴７に装着され、リード線はこの駒の穴
を通して引き出される。A window hole 7 is formed on the side surface of the cover 2 and the case 1.
First, a groove 13 is formed toward the mounting plate 6 and then toward the load side end of the case 1 along the mounting plate 6.
Therefore, the lead wire 9 connected to the terminal block 8 is drawn out downward (on the load side) through the groove 13. In the present case, the window hole 7 is closed by the closing plate 14 on the assumption that the accessory is not installed on the left side of the circuit breaker of FIG. The closing plate 14 is detachably attached to the window hole 7 from the front surface of the cover 2 by fitting the elastic projections 14 a at both ends and the recesses 2 a of the cover 2. When the accessory to which the lead wire is connected is installed, the closing plate 14 having a hole for passing the lead wire is provided.
A piece similar to is attached to the window hole 7, and the lead wire is drawn out through the hole of this piece.
【００１２】図３はこの発明の別の実施例を示す回路遮
断器の前面図、図４はその側面図である。この実施例で
は最初の実施例の構成に加えて、カバー２の前面と側面
とが交わる角部に付属品のリード線９を通す溝１５が窓
穴７から負荷側端部に向けて形成されている。図５はこ
のような回路遮断器を３台密着取付した状態を示す前面
図、図６はその下面図である。溝１３及び１５はいずれ
か一方のみを設けてもよいし、図３〜図６に示すように
両方とも設けてもよい。両方設けておけば、盤内の配線
レイアウトに応じて溝１３，１５のいずれかを選択的に
使用できて便利である。FIG. 3 is a front view of a circuit breaker showing another embodiment of the present invention, and FIG. 4 is a side view thereof. In this embodiment, in addition to the structure of the first embodiment, a groove 15 for passing the lead wire 9 of the accessory is formed at the corner where the front surface and the side surface of the cover 2 intersect from the window hole 7 toward the load side end. ing. FIG. 5 is a front view showing a state where three such circuit breakers are closely attached, and FIG. 6 is a bottom view thereof. Only one of the grooves 13 and 15 may be provided, or both of them may be provided as shown in FIGS. If both are provided, it is convenient that either of the grooves 13 and 15 can be selectively used according to the wiring layout in the panel.
【００１３】[0013]
【発明の効果】この発明によれば、付属品の端子台が回
路遮断器側方に突出しないので、付属品リード線の配線
に端子台を使用する場合にも回路遮断器の密着取付が可
能になる。更に、付属品の端子台は回路遮断器の前面か
らカバーに装着できるので、密着取付された回路遮断器
に端子台を用いて付属品を追加内装する場合にも、回路
遮断器を取り外したり、取付位置をずらしたりする必要
がない。その場合、カバーやケースに付属品リード線を
通す溝を設ければ、配線のスペース効率が高まるととも
に配線がすっきりとする。According to the present invention, since the terminal block of the accessory does not project to the side of the circuit breaker, the circuit breaker can be closely attached even when the terminal block is used for the wiring of the accessory lead wire. become. Furthermore, since the accessory terminal block can be attached to the cover from the front of the circuit breaker, you can remove the circuit breaker even if you use the terminal block to attach the accessory to the circuit breaker that is closely attached. There is no need to shift the mounting position. In that case, if a groove for passing an accessory lead wire is provided in the cover or the case, the space efficiency of the wiring is improved and the wiring is neat.
【図１】この発明の実施例を示す回路遮断器の取付状態
における前面図である。FIG. 1 is a front view of a circuit breaker in an attached state showing an embodiment of the present invention.
【図２】図１の側面図である。FIG. 2 is a side view of FIG.
【図３】この発明の別の実施例を示す回路遮断器の取付
状態における前面図である。FIG. 3 is a front view of a circuit breaker in a mounted state showing another embodiment of the present invention.
【図４】図３の側面図である。FIG. 4 is a side view of FIG. 3;
【図５】図３の回路遮断器を密着取付した状態を示す前
面図である。FIG. 5 is a front view showing a state in which the circuit breaker of FIG. 3 is closely attached.
【図６】図５の下面図である。FIG. 6 is a bottom view of FIG.
１ ケース ２ カバー ４ 電源側端子 ５ 負荷側端子 ６ 取付板 ７ 窓穴 ８ 端子台 ９ リード線 １０ 絶縁ベース １１ 端子板 １２ 端子ねじ １３ 溝 １４ 閉塞板 １５ 溝 1 Case 2 Cover 4 Power Side Terminal 5 Load Side Terminal 6 Mounting Plate 7 Window Hole 8 Terminal Block 9 Lead Wire 10 Insulation Base 11 Terminal Plate 12 Terminal Screw 13 Groove 14 Closure Plate 15 Groove
Claims (3)
うカバーとからなる絶縁物の外箱内に開閉機構が収容さ
れ、かつ前記外箱の上下端部に分かれて電源側及び負荷
側の端子がそれぞれ配設されるとともに、前記開閉機構
に隣接して補助スイッチなどの付属品が内装される回路
遮断器において、 カバーの前面壁に付属品と対向する窓穴を形成し、この
窓穴に前記付属品のリード線を接続する端子台を着脱自
在に装着するようにしたことを特徴とする回路遮断器の
内装付属品用端子装置。1. An opening / closing mechanism is housed in an outer casing of an insulator made up of a case having an open front surface and a cover for covering the opening face, and is divided into upper and lower end portions of the outer casing to provide a power source side and a load side. In the circuit breaker in which the terminals of the above are respectively arranged and accessories such as auxiliary switches are installed adjacent to the opening / closing mechanism, a window hole facing the accessories is formed in the front wall of the cover. A terminal device for an internal accessory of a circuit breaker, wherein a terminal block for connecting the lead wire of the accessory is detachably mounted in the hole.
された付属品のリード線を通す溝を前記カバーの窓穴か
ら前記ケースの負荷側端部に向けて形成したことを特徴
とする請求項１記載の回路遮断器の内装付属品用端子装
置。2. A groove for passing a lead wire of an accessory connected to a terminal block is formed on a side surface of the cover and the case from a window hole of the cover toward a load side end of the case. A terminal device for an internal accessory of a circuit breaker according to claim 1.
子台に接続された付属品のリード線を通す溝を前記カバ
ーの窓穴から負荷側端部に向けて形成したことを特徴と
する請求項１記載の回路遮断器の内装付属品用端子装
置。3. A groove for passing a lead wire of an accessory connected to a terminal block is formed at a corner where a front surface and a side surface of the cover intersect, from a window hole of the cover toward an end portion on a load side. The terminal device for the internal accessory of the circuit breaker according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15510695A JPH08329818A (en) | 1995-05-30 | 1995-05-30 | Terminal device for interior attachment for circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15510695A JPH08329818A (en) | 1995-05-30 | 1995-05-30 | Terminal device for interior attachment for circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08329818A true JPH08329818A (en) | 1996-12-13 |
Family
ID=15598748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15510695A Pending JPH08329818A (en) | 1995-05-30 | 1995-05-30 | Terminal device for interior attachment for circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08329818A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009070828A (en) * | 2008-11-25 | 2009-04-02 | Hitachi Industrial Equipment Systems Co Ltd | Circuit breaker |
-
1995
- 1995-05-30 JP JP15510695A patent/JPH08329818A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009070828A (en) * | 2008-11-25 | 2009-04-02 | Hitachi Industrial Equipment Systems Co Ltd | Circuit breaker |
| JP4625518B2 (en) * | 2008-11-25 | 2011-02-02 | 株式会社日立産機システム | Circuit breaker |
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